(kind of) Thanks so far. And the German version would be the problem, because German versions tend to be crap. With a big project like HL2 this might not be a problem, but I'd rather stick to the original.
My research (yeah, right) on HL2 boards had the result, that it seems to be possible. But I'm not that sure. Can someone confirm the language-change-thing?
madre de dios, es el pollo diablo
it is